Lecture

Basic Introduction to Unix Commands

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In course

CS-107: Introduction to programming

Ce cours aborde les concepts fondamentaux de la programmation et de la programmation orientée objet (langage JAVA). Il permet également de se familisarier avec un environnement de développement informatique (par défaut sous Unix). ...

Description

This lecture covers the basic concepts of Unix commands, including the definition of algorithms, the operating system environment, shells, file systems, and editors. It also explains how to interact with Linux using different shells like Bourne shell, C shell, Z shell, and Enhanced C shell. The lecture demonstrates the structure of a file system, the concept of directories, and how to organize files in a hierarchical structure. It also provides practical examples of navigating directories, creating, and accessing files in a Unix environment.

Instructors (2)

Jamila Sam

Jamila Sam is currently senior researcher and lecturer at the Ecole Polytechnique Fédérale de Lausanne (Switzerland).

Rafael Pereira Pires

Official source

Related concepts (32)

Unix shell

A Unix shell is a command-line interpreter or shell that provides a command line user interface for Unix-like operating systems. The shell is both an interactive command language and a scripting language, and is used by the operating system to control the execution of the system using shell scripts. Users typically interact with a Unix shell using a terminal emulator; however, direct operation via serial hardware connections or Secure Shell are common for server systems.

Unix

Unix (ˈjuːnᵻks; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others. Initially intended for use inside the Bell System, AT&T licensed Unix to outside parties in the late 1970s, leading to a variety of both academic and commercial Unix variants from vendors including University of California, Berkeley (BSD), Microsoft (Xenix), Sun Microsystems (SunOS/Solaris), HP/HPE (HP-UX), and IBM (AIX).

Comparison of command shells

A command shell is a command-line interface to interact with and manipulate a computer's operating system. Background execution allows a shell to run a command without user interaction in the terminal, freeing the command line for additional work with the shell. POSIX shells and other Unix shells allow background execution by using the & character at the end of command. In PowerShell, the Start-Process or Start-Job cmdlets can be used.

Cd (command)

The command, also known as (change directory), is a command-line shell command used to change the current working directory in various operating systems. It can be used in shell scripts and s. The command has been implemented in operating systems such as Unix, DOS, IBM OS/2, MetaComCo TRIPOS, AmigaOS (where if a bare path is given, cd is implied), Microsoft Windows, ReactOS, and Linux. On MS-DOS, it is available in versions 2 and later. DR DOS 6.0 also includes an implementation of the and commands.

Directory (computing)

In computing, a directory is a cataloging structure which contains references to other s, and possibly other directories. On many computers, directories are known as folders, or drawers, analogous to a workbench or the traditional office filing cabinet. The name derives from books like a telephone directory that lists the phone numbers of all the people living in a certain area. Files are organized by storing related files in the same directory.

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